driver.h

 
#pragma once
 
#include <kernel/device.h>
#include <kernel/error.h>
 
#include <libalgo/linked_list.h>
#include <utils/compiler.h>
 
typedef struct device_driver {
 
    node_t this; 
    const char *name; 
 
    struct driver_operations {
        error_t (*probe)(device_t *);
        bool (*match)(const driver_t *, const device_t *);
    } operations; 
 
} driver_t;
 
void driver_register(driver_t *driver);
 
error_t driver_probe(driver_t *driver, device_t *device);
 
typedef void (*driver_init_t)(void);
 
#define DECLARE_DRIVER(_name, _driver, _driver_register) \
    static void init_driver_##_name(void)                \
    {                                                    \
        _driver_register(_driver);                       \
    }                                                    \
                                                         \
    SECTION(".data.driver.init")                         \
    MAYBE_UNUSED                                         \
    static driver_init_t __##_name##_driver_init = init_driver_##_name;
 
void driver_load_drivers(void);
 
driver_t *driver_find_match(device_t *);